package org.jeecg.modules.rule.controller;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.*;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;

import org.jeecg.common.api.vo.Result;
import org.jeecg.common.system.query.QueryGenerator;
import org.jeecg.common.aspect.annotation.AutoLog;
import org.jeecg.common.util.oConvertUtils;
import org.jeecg.modules.rule.entity.Rule;
import org.jeecg.modules.rule.service.IRuleService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import lombok.extern.slf4j.Slf4j;

import org.jeecgframework.poi.excel.ExcelImportUtil;
import org.jeecgframework.poi.excel.def.NormalExcelConstants;
import org.jeecgframework.poi.excel.entity.ExportParams;
import org.jeecgframework.poi.excel.entity.ImportParams;
import org.jeecgframework.poi.excel.view.JeecgEntityExcelView;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;
import com.alibaba.fastjson.JSON;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;

/**
 * @Description: 规则code管理
 * @Author: jeecg-boot
 * @Date: 2019-05-22
 * @Version: V1.0
 */
@Slf4j
@Api("规则code管理")
@RestController
@RequestMapping("/rule/rule")
public class RuleController {
    @Autowired
    private IRuleService ruleService;

    @Autowired
    @Qualifier("hiveDruidDataSource")
    DataSource druidDataSource;

    /**
     * 分页列表查询
     *
     * @param rule
     * @param pageNo
     * @param pageSize
     * @param req
     * @return
     */
    @AutoLog(value = "规则code管理-分页列表查询")
    @ApiOperation(value = "规则code管理-分页列表查询", notes = "规则code管理-分页列表查询")
    @GetMapping(value = "/list")
    public Result<IPage<Rule>> queryPageList(Rule rule,
                                             @RequestParam(name = "pageNo", defaultValue = "1") Integer pageNo,
                                             @RequestParam(name = "pageSize", defaultValue = "10") Integer pageSize,
                                             HttpServletRequest req) {
        Result<IPage<Rule>> result = new Result<IPage<Rule>>();
        QueryWrapper<Rule> queryWrapper = QueryGenerator.initQueryWrapper(rule, req.getParameterMap());
        queryWrapper.orderByAsc("fd_ruletype");
        Page<Rule> page = new Page<Rule>(pageNo, pageSize);
        IPage<Rule> pageList = ruleService.page(page, queryWrapper);
        result.setSuccess(true);
        result.setResult(pageList);
        return result;
    }

    /**
     * 添加
     *
     * @param rule 1000 2000
     * @return
     */
    @AutoLog(value = "规则code管理-添加")
    @ApiOperation(value = "规则code管理-添加", notes = "规则code管理-添加")
    @PostMapping(value = "/add")
    public Result<Rule> add(@RequestBody Rule rule) {
        Result<Rule> result = new Result<Rule>();
        try {
            ruleService.save(rule);
            result.success("添加成功！");
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            result.error500("操作失败");
        }
        return result;
    }

    /**
     * 编辑
     *
     * @param rule
     * @return
     */
    @AutoLog(value = "规则code管理-编辑")
    @ApiOperation(value = "规则code管理-编辑", notes = "规则code管理-编辑")
    @PutMapping(value = "/edit")
    public Result<Rule> edit(@RequestBody Rule rule) {
        Result<Rule> result = new Result<Rule>();
        Rule ruleEntity = ruleService.getById(rule.getId());
        if (ruleEntity == null) {
            result.error500("未找到对应实体");
        } else {
            boolean ok = ruleService.updateById(rule);
            //TODO 返回false说明什么？
            if (ok) {
                result.success("修改成功!");
            }
        }

        return result;
    }

    /**
     * 通过id删除
     *
     * @param id
     * @return
     */
    @AutoLog(value = "规则code管理-通过id删除")
    @ApiOperation(value = "规则code管理-通过id删除", notes = "规则code管理-通过id删除")
    @DeleteMapping(value = "/delete")
    public Result<Rule> delete(@RequestParam(name = "id", required = true) String id) {
        Result<Rule> result = new Result<Rule>();
        Rule rule = ruleService.getById(id);
        if (rule == null) {
            result.error500("未找到对应实体");
        } else {
            boolean ok = ruleService.removeById(id);
            if (ok) {
                result.success("删除成功!");
            }
        }

        return result;
    }

    /**
     * 批量删除
     *
     * @param ids
     * @return
     */
    @AutoLog(value = "规则code管理-批量删除")
    @ApiOperation(value = "规则code管理-批量删除", notes = "规则code管理-批量删除")
    @DeleteMapping(value = "/deleteBatch")
    public Result<Rule> deleteBatch(@RequestParam(name = "ids", required = true) String ids) {
        Result<Rule> result = new Result<Rule>();
        if (ids == null || "".equals(ids.trim())) {
            result.error500("参数不识别！");
        } else {
            this.ruleService.removeByIds(Arrays.asList(ids.split(",")));
            result.success("删除成功!");
        }
        return result;
    }

    /**
     * 通过id查询
     *
     * @param id
     * @return
     */
    @AutoLog(value = "规则code管理-通过id查询")
    @ApiOperation(value = "规则code管理-通过id查询", notes = "规则code管理-通过id查询")
    @GetMapping(value = "/queryById")
    public Result<Rule> queryById(@RequestParam(name = "id", required = true) String id) {
        Result<Rule> result = new Result<Rule>();
        Rule rule = ruleService.getById(id);
        if (rule == null) {
            result.error500("未找到对应实体");
        } else {
            result.setResult(rule);
            result.setSuccess(true);
        }
        return result;
    }

    /**
     * 导出excel
     *
     * @param request
     * @param response
     */
    @RequestMapping(value = "/exportXls")
    public ModelAndView exportXls(Rule rule,HttpServletRequest request, HttpServletResponse response) {
        // Step.1 组装查询条件
        QueryWrapper<Rule> queryWrapper = null;
        try {
            queryWrapper = QueryGenerator.initQueryWrapper(rule, request.getParameterMap());
        } catch (Exception e) {
            e.printStackTrace();
        }

        //Step.2 AutoPoi 导出Excel
        ModelAndView mv = new ModelAndView(new JeecgEntityExcelView());
        List<Rule> pageList = ruleService.list(queryWrapper);
        //导出文件名称
        mv.addObject(NormalExcelConstants.FILE_NAME, "规则code管理列表");
        mv.addObject(NormalExcelConstants.CLASS, Rule.class);
        mv.addObject(NormalExcelConstants.PARAMS, new ExportParams("规则code管理列表数据", "导出人:Jeecg", "导出信息"));
        mv.addObject(NormalExcelConstants.DATA_LIST, pageList);
        return mv;
    }

    /**
     * 通过excel导入数据
     *
     * @param request
     * @param response
     * @return
     */
    @RequestMapping(value = "/importExcel", method = RequestMethod.POST)
    public Result<?> importExcel(HttpServletRequest request, HttpServletResponse response) {
        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
        Map<String, MultipartFile> fileMap = multipartRequest.getFileMap();
        for (Map.Entry<String, MultipartFile> entity : fileMap.entrySet()) {
            MultipartFile file = entity.getValue();// 获取上传文件对象
            ImportParams params = new ImportParams();
            params.setTitleRows(2);
            params.setHeadRows(1);
            params.setNeedSave(true);
            try {
                List<Rule> listRules = ExcelImportUtil.importExcel(file.getInputStream(), Rule.class, params);
                for (Rule ruleExcel : listRules) {
                    ruleService.save(ruleExcel);
                }
                return Result.ok("文件导入成功！数据行数:" + listRules.size());
            } catch (Exception e) {
                log.error(e.getMessage(), e);
                return Result.error("文件导入失败:" + e.getMessage());
            } finally {
                try {
                    file.getInputStream().close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return Result.ok("文件导入失败！");
    }

    @GetMapping(value = "/test")
    public Result<Object> test(String algorithmText, String fdAlgorithm) {
        try {
            algorithmText = fdAlgorithm.replaceAll("#F","'" + algorithmText + "'");
            String hiveSql = " select  " + algorithmText;//desc formatted test
            String resultStr = getOneResult(hiveSql);
            return Result.ok((Object) resultStr);
        } catch (SQLException e) {
            return Result.error("函数算法有误！");
        }
    }

    private String getOneResult(String sql) throws SQLException {
        Statement statement = druidDataSource.getConnection().createStatement();
        String hiveSql = sql;//desc formatted test
        ResultSet resultSet = statement.executeQuery(hiveSql);
        String resultStr = "";
        while (resultSet.next()) {
            resultStr = resultSet.getString(1);
        }
        return resultStr;
    }


}
